What if...
• The CONTROL BOX does not start off the filtration pump/s:
Check the appropriate tension of the control box.
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Check the correct position of the pump/s' motor protector.
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Check the electrical installation which must be exactly like the handbook shows.
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Check the correct position of all the valves.
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Check the limit switch signal of the valves.
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For other problems, get in touch with an ASTRAL official distributor
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• The dosing pump does not work:
Ensure that the tension reaching the control box is the right one.
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Ensure that the pump/s' motor protector is on.
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Check the electrical installation which must be exactly like the handbook shows.
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Check the correct position of all the valves.
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Check the limit switch signal of the valves.
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For other problems, get in touch with an ASTRAL official distributor.
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• The CONTROL BOX carries out the filter backwash wrongly:
Check the feeding connections.
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Check the electrical installation which must be exactly like the handbook shows
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Check the setting of the pressure controller.
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For other problems, get in touch with an ASTRAL official distributor.
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• The MANIFOLD stays in the same position all the time.
Check the feeding connections.
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Check the electrical installation which must be exactly like the handbook shows.
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Check the limit switch signal of the valves.
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For other problems, get in touch with an ASTRAL official distributor.
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• The MANIFOLD does not carry out the security shut-off owing to lack of electrical feeding.
Ensure that valves nº 3-4 and 5* are of the safety-block type if the manifold works with
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electrical motorized valves; of the single type if the manifold is pneumatic.
Check the electrical installation which must be exactly like the handbook shows.
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For other problems, get in touch with an ASTRAL official distributor.
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INSTALLATION AND
OPERATION MANUAL
Rev:
03
Year:
2011
Page:
16 / 17
ENG